Home / 1,092,259.10-1,641,887.85-778,886.30

Finding the Fourth Proportional to 1,092,259.10, 1,641,887.85 and 778,886.30

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Solution

The fourth proportional to 1,092,259.10, 1,641,887.85 and 778,886.30 is: 1,170,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,259.10 : 1,641,887.85 = 778,886.30 : x
  2. Step 2: Convert to fraction form
    1,092,259.10/1,641,887.85 = 778,886.30/x
  3. Step 3: Cross multiply
    1,092,259.10x = 1,641,887.85 × 778,886.30
  4. Step 4: Simplify right side
    1,092,259.10x = 1,278,843,952,501.46
  5. Step 5: Solve for x
    x = 1,278,843,952,501.46/1,092,259.10
  6. Step 6: Final answer
    x = 1,170,824.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.